[gst-devel] Add clockoverlay without reencode, is this possibile?

[MailingList SVR]

anyone?

In data giovedì 04 giugno 2009 08:14:30, MailingList SVR ha scritto:
: > Hi all,
> 
> I have an mp4 network stream. My goal is to add clockoverlay and send the stream forward (for example udpsink) and then watch or save the stream with gstreamer or vlc. 
> 
> I can successfully add clockoverlay to the stream but seems I have to:
> 
> 1) decode the stream
> 2) add clockoverlay
> 3) reencode the stream as mpeg4 (the original format)
> 
> for example:
> 
> gst-launch-0.10 -v rtspsrc location=<sourcestream> ! decodebin ! clockoverlay ! ffenc_mpeg4 ! rtpmp4vpay ! udpsink
> 
> the encode operation is cpu intensive so I would like to avoid it and I want to avoid to add the clock overlay when I watch the stream, so this pipeline isn't good for me:
> 
> gst-launch-0.10 -v rtspsrc location=<sourcestream> ! decodebin ! clockoverlay ! autovideosink
> 
> I would like the clockoverlay already in place when I watch the stream.
> 
> I would like to trasmit the source stream + clockoverlay as mpeg4 and the source stream is already mpeg4. Can I do this without the reencode operation?
> 
> thanks
> Nicola
> 
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